Drop libxslt-dev, cache pip.

semenko · semenko · commit 1ae75096be42 · 2015-07-09T22:49:02.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,14 +1,13 @@
 # Config copied from
 #  http://www.theautomatedtester.co.uk/blog/2012/using-travis-ci-for-building-and-testing-firefox-addons.html
-# Use node_js because there are maybe more workers?
 language: python
 python:
   - "2.7"
+cache: pip
 addons:
   apt:
     packages:
       - libxml2-dev
-      - libxslt-dev
       - python-dev
       - libcurl4-openssl-dev
       - python-lxml
